diff --git a/hosts/alice/system.nix b/hosts/alice/system.nix
index 4d99d5b..ffaabb3 100644
--- a/hosts/alice/system.nix
+++ b/hosts/alice/system.nix
@@ -16,7 +16,7 @@
 
   boot = {
     supportedFilesystems = ["bcachefs"];
-    kernelPackages = pkgs.linuxPackages_6_7; # TODO: remove when default kernel hits 6.7
+    kernelPackages = pkgs.linuxPackages_6_7;
 
     loader = {
       systemd-boot.enable = true;
@@ -50,4 +50,11 @@
       experimental-features = nix-command flakes
     '';
   };
+
+  assertions = [
+    {
+      assertion = -1 == builtins.compareVersions pkgs.linuxPackages.kernel.version "6.7.3";
+      message = "default kernel has hit 6.7, change linuxPackages to default";
+    }
+  ];
 }